Showing structure for (3s)-4-{[(2r,4r,5r,6s)-5-hydroxy-4,6-bis(3,4,5-trihydroxybenzoyloxy)-2-[(3,4,5-trihydroxybenzoyloxy)methyl]oxan-3-yl]oxy}-4-oxo-3-[(3s,4s)-5,6,7-trihydroxy-3-(methoxycarbonyl)-1-oxo-3,4-dihydro-2-benzopyran-4-yl]butanoic acid